Clause 4 Details of location of direction-indicating lights for fishing vessels, dredgers, and
Maritime Rules Part 22: Collision Prevention
vessels engaged in underwater operations
(1) The light indicating the direction of the outlying gear from a vessel engaged in fishing as prescribed in rule 22.26(3)(b) must be placed at a horizontal distance of not less than 2 metres and not more than 6 metres away from the two all-round red and white lights.
This light must be placed not higher than the all-round white light prescribed in rule 22.26(3)(a) and not lower than the sidelights.
(2) The lights and shapes on a vessel engaged in dredging or underwater operations that indicate the obstructed side or the side on which it is safe to pass or both, as prescribed in rule 22.27(4)(a) and (b), must be placed at the following distance from the lights or shapes prescribed in rule 22.27(2)(a) and (b) (for vessels restricted in their ability to manoeuvre)—
(a) at the maximum practical horizontal distance; and
(b) in no case less than 2 metres.
In no case may the upper of these lights or shapes be at a greater height than the lower of the three lights or shapes prescribed in rule 22.27(2)(a) and (b).